| 摘要 |
<p>In an armature wherein a plurality of base metals 15 electrically insulated from one another are solidly secured to the surface of a boss portion 10, carbon protective members 18 are jointed to the surfaces of the base metals 15, respectively, through a solder layer 19 and coil ends 5 of an armature core are jointed to the risers, an auxiliary electrode portion 17 is formed integrally with the riser 12 on each of the base metals 15. <IMAGE></p> |
